12032131131 has 6 divisors (see below), whose sum is σ = 17379744980. Its totient is φ = 8021420748.

The previous prime is 12032131093. The next prime is 12032131147. The reversal of 12032131131 is 13113123021.

12032131131 is a `hidden beast` number, since 1 + 2 + 0 + 321 + 311 + 31 = 666.

12032131131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12032131131 is a prime.

It is a super-2 number, since 2×12032131131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12032131171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 668451721 + ... + 668451738.

Almost surely, 2^12032131131 is an apocalyptic number.

12032131131 is a deficient number, since it is larger than the sum of its proper divisors (5347613849).

12032131131 is a wasteful number, since it uses less digits than its factorization.

12032131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336903465 (or 1336903462 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12032131131 its reverse (13113123021), we get a palindrome (25145254152).

The spelling of 12032131131 in words is "twelve billion, thirty-two million, one hundred thirty-one thousand, one hundred thirty-one".